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Protection relay testing and diagnostic solutions

Verify protection schemes to ensure grid stability and safety

Verify that your protection relays operate correctly when faults occur. Megger’s smart relay testing solutions and expert support help you validate protection performance, improve system reliability, and ensure continuity of power across your network. 

Ensure protection systems operate correctly

Safeguard lives, equipment, and continuity of power by ensuring your protection relays operate correctly. Megger’s advanced testing solutions help you verify protection performance with confidence, supporting safe and reliable power system operation.  

Maintain grid stability and protection reliability

Verify protection schemes during commissioning and maintenance to ensure reliable system operation. Megger’s relay testing solutions help prevent protection failures, reduce downtime, and ensure consistent protection across the network. 

Validate protection performance with precision

Access reliable test data and expert support to validate protection performance and make informed decisions. Megger’s smart testing and software help you analyse results, visualise protection behaviour, and gain dependable insight for commissioning, troubleshooting, and system optimisation. 

IEC 61850 Testing Solutions for Digital Substations

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Multi-phase relay testers for quick fault verification

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Specialised Tools for Reliable Protection System Testing

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Relay Testing Software for Efficient, Automated Workflows

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Single-phase relay testers for protection system confidence

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Frequently asked questions

The real answer is so that you can buy a test set that’s a good match for your requirements and budget. Relay test sets represent a substantial investment, so there’s little point in spending more than you need on buying one with many facilities you’ll never use. On the other hand, buying a test set that seems inexpensive but can’t readily meet all of your requirements is a false economy. 

You’ll either end up replacing it or having to use time-consuming and uncertain workarounds to carry out your tests. That’s why Megger offers such a wide range of options. Consider three-phase testing, for example. Most applications require three voltages and three currents, which is enough to simulate most three-phase systems. 

But sometimes, a fourth voltage is needed to test, for example, the synchro-check function in complex relays. And for testing transformer differential protection, six currents are needed! Megger offers test sets to cover all these applications, including the SMRT46, which you can configure to supply four voltages and three currents or, alternatively, six currents.

Yes! Megger is very active in this field. 

The company released its first products for IEC 61850 applications as early as 2009 and has been active in the development of the IEC 61850 standard since the mid-2000s.

Today, Megger offers the FREJA and SMRT relay test sets, the hardware required to access the IEC 61850 network. Furthermore, the software Megger GOOSE Configurator (MGC) and Sampled Values Analyser (SVA) complete the IEC 61850 test system. 

With the MGC and SVA embedded in the SMRT and FREJA display models, the need to connect a computer to the IEC 61850 network is eliminated, enhancing cyber security.

Yes! Megger has taken a major stake in the company IPS Energy which has many different software solutions for asset management and asset performance management. 

The EPIS and RELEX software modules are dedicated to management of relay protection assets. Check it out on their website www.ips-energy.com or contact us for further information.

Yes! There is no limitation in the onboard software so everything that can be done on the PC can be done without a PC. 

That includes anything from simple manual tests to fully automated tests through test templates. By using the onboard screen potential PC related issues such as connection or firewall problems, are avoided.

Looking for more relay protection solutions?

Contact our team of experts to speak about your unique needs in the field of relay systems testing.

Additional Resources

Explore real-world applications of our relay and systems testing products through these insightful articles.

Testing protection systems in the real world

Get an introduction to GIS testing in this webinar.

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Testing self-power relays with SVERKER 900

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The Challenges of Testing Relay Protection in Renewable Power Systems

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“Testing Tactics: Systematic Approach to Testing Power Swing Blocking and Out-Of-Step Tripping Elements”

Presenter: Abel Gonzalez

September 23rd, 2022

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The Importance of IEC 61850 in Relation to the Smart Grid

It’s not just a communication protocol; it’s an electrical system philosophy.

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Virtual Testing of Protection Relays is Real!

The shift toward digital data is growing in the substation world.

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